golang-github-cloudflare-circl: A flaw was found in CIRCL's implementation of the FourQ elliptic curve
CVE-2025-8556 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2025-8556, released August 6, 2025. It is not reported as exploited. Patch Radar priority: Routine.
A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| amazon-ssm-agent · amzn 2023 | 3.3.3572.0-1.amzn2023 | ALAS2023-2025-1359 | Jan 7, 2026 |
| apptainer · opensuse-leap 15.6 | 1.4.5-150600.4.12.1 | SUSE-SU-2026:0439-1 | Feb 11, 2026 |
| apptainer · sles 15.7 | 1.4.5-150600.4.12.1 | SUSE-SU-2026:0439-1 | Feb 11, 2026 |
| golang-github-cloudflare-circl · Debian 13.5 (trixie) | 1.6.1-1 | DEBIAN-CVE-2025-8556 | Aug 6, 2025 |
| golang-github-cloudflare-circl · Debian 14 | 1.6.1-1 | DEBIAN-CVE-2025-8556 | Aug 6, 2025 |
| squashfuse · opensuse-leap 15.6 | 0.5.0-150600.3.2.1 | SUSE-SU-2026:0439-1 | Feb 11, 2026 |
| squashfuse · sles 15.7 | 0.5.0-150600.3.2.1 | SUSE-SU-2026:0439-1 | Feb 11, 2026 |
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